Question 1162646
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In all, there are  {{{2000/20}}} = 100 tickets.


The probability to win is  {{{1/100}}} = 0.01.


The expected value of purchased ticket is  0.01*6000 - 20 = 60 - 20 = 40 dollars.    <U>ANSWER</U>
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Pretty benefiting purchase (!)



Urgently buy all &nbsp;100 tickets for &nbsp;$2000; &nbsp;win the boat costing &nbsp;$6000 and then sell it via your web-site,

earning the difference of $4000 to your pocket.



/\/\/\/\/


Tutor &nbsp;@greenestamps often allows himself to comment my solutions by arbitrary ways.


When I solved this problem, &nbsp;I did not assume that it is nonsensical - I simply solved it &nbsp;"as is": 

exactly as it was worded, &nbsp;printed, &nbsp;posted and presented.